Cain became a farmer while his brother Abel became a herdsman. Both boys grew up learning about sacrifices. When it came time for sacrifices to be made Abel offered the choicest fat from the firstborn of his flock while Cain offered some produce from his field. Elohim rejected Cain's offering. In a jealous rage he killed his brother. Learn from Dr. Smith how Cain was offered a way back to reconciliation through obedience and when he refused his rebellion led him to sin, rage and murder. Through mercy and grace Elohim offered Cain a mark, a promise of protection. Learn in this episode the prophetic significance of this mark.